package DAO;

import java.util.List;

public class UserTypeImp implements UserTypeDAO {
    @Override
    public List<String> checkUsertype(String username) {        //查询用户类型
        return null;
    }

    @Override
    public List<String> checkNickname(String username) {        //查询昵称
        return null;
    }

    @Override
    public Boolean islogin(String username, String pwd) {       //登录是否成功
        return false;
    }
}
